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US Patent: 333,738
Metallic Thermometer
Patentee:
William B. Fowle (exact or similar names) - Newton, Middlesex County, MA

USPTO Classifications:
374/195, 374/207

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 19, 1884
Granted: Jan. 05, 1886

Patent Pictures:
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